Source:Phelps
From Pittsburgh Streets
Phelps' Hundred Cities and Large Towns of America: With Railroad Distances Throughout the United States, Maps of Thirteen Cities, and Other Embellishments. Phelps, Fanning, & Co., New York, 1853. Google Books EONiblKTpeAC, K_UtAAAAYAAJ; HathiTrust 011631497; Internet Archive phelpshundredcit00phel. There is also an 1854 edition published by Ensign, Bridgman, & Fanning: HathiTrust 000600919.
